R Under development (unstable) (2024-05-15 r86556 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library(testthat)
> library(ROCit)
> 
> 
> test_that("trapezoidarea is the area under curve using trapezoid rule", {
+   expect_equal(trapezoidarea(c(0,1),c(0,1)), 0.5)
+   expect_equal(trapezoidarea(c(0,0,1),c(0,1,1)), 1)
+   expect_equal(trapezoidarea(c(1,2,3),c(1,2,3)), 4)
+   expect_equal(trapezoidarea(c(1,11,16),c(1,3,2)), 32.5)
+ })
Test passed 😸
> 
> 
> test_that("invlogit computes logistic transform", {
+   expect_equal(plogis(0), 0.5)
+   expect_equal(plogis(-Inf), 0)
+   expect_equal(plogis(Inf), 1)
+   expect_equal(round(plogis(0.5),2), 0.62)
+ })
Test passed 🥳
> 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   0.71    0.15    0.87